mathOkay I got this question on a test. I am not sure what I am supposed to do here. Can you show me how I would go about solving this. A basketball player can jump 33in vertically. Find his hang time. Round to the nearest tenth. Thanks
June 6, 2010

rational expressions1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)
May 31, 2010

math1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!
May 31, 2010

introductory algebraI had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4, y=-5. The second problem is: Solve the system...
May 23, 2010

reading/language please checkWhen is the best time to read review the discussion questions? A. Immediately after you have finished all of the reading. B. After you write your notes. C. Before you begin any detailed reading. D. At least 1 hour after your detailed reading.
April 16, 2010

PHYSICSA 14 cm diameter circular loop of wire is placed in a 0.58 T magnetic field. (a) When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? (b) The plane of the loop is rotated until it makes a 36° angle with the field lines...
April 3, 2010

PHYSICSA 29.4 cm long solenoid 1.10 cm in diameter is to produce a field of 0.360 T at its center. How much current should the solenoid carry if it has 1000 turns of the wire?
April 3, 2010

physicsA thin 12 cm long solenoid has a total of 460 turns of wire and carries a current of 2.1 A. Calculate the magnitude of the field inside near the center.
April 3, 2010

BusinessPrepare a 600 to 700 word analysis of the relationship between humans and time. Include a description of the historical development of the human ability to conceptualize and measure time. Also, examine why humans have a need to measure time, and describe how the ability to ...
March 9, 2010

sciencedoes carbonation or amountof caffeine in a drink or liquid affect plant growth?
March 7, 2010

CalculusA manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...
January 27, 2010

CalculusA manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...
January 27, 2010

PhysicsHow many grams of ice must be added to 100 grams of water at 60 degrees so that its temperature drops to 20 degrees celcius? As far as i know I have to use: (Mass)*(specific heat of water) *(finaltemperature - initial temperature = ??
January 7, 2010

Math/Biz MathI am so lost. Did I answer these problems right? Bud Ray is the owner of an automatic car wash located in a busy side of town. He currently has all the business he can handle and then some. His business has grown steadily over the years. His current car wash equipment is in ...
November 9, 2009

GeometryCan someone please kind enough to explain this questions for me. Thank you What are some examples of other important polyhedra? What characteristics help you determine whether a polyhedron is regular or irregular? How can you check for symmetry and rotational symmetry of ...
August 11, 2009

BUSINESS Question What are the differences between an internal proposal and an external proposal? Also I need to summarize why the two proposal types are different in terms of the following elements: Consider the following scenario: Management at your project management firm wants to ...
May 25, 2009

MathI have a graph which I need to find the equation of. It's an absolute value graph, the vertex/middle point is at (-2, 5) and 2 points that lie on the graph are (1,10) and (-5,10). It needs to be in 'y=' form. I'd appreciate it if you explained how to do find ...
April 10, 2009

Algebrafirst 2^-1 = -3 then 7^-4=-5 -3x-5=15 15^-2=15 so your answer is 15 i suggest you use a scientific calculator.
April 1, 2009

historywhat i got is letter a invading russia with limited supply lines but i dont seem to know why.
April 1, 2009

historywhich action taken by both hitler and napoleon is considered by historians to be strategic military error? a invading russia with limited supply lines b invading great britian by land c introducing combined ground and naval assaults d using conquered peoples as slave laborers
April 1, 2009

scienceis Texas east or west of arizona?what is a longhorn steer and what does it look like?how long have ranchers been raising cattle in the US?
February 25, 2009

mathis 2 times the square root of 7 minus the square root of five/ the square root of 7 plus the square root of five 2 2 times the square root of 14?
December 15, 2008

us historyI know that significant changes were women's sufferage and workers rights, but I need one more. What other changes are there?
October 5, 2008

History- Vietnam warThanks for the help guys, I think what threw me off was the definition of Imperialism, I interpreted it as any spreading of ideals and values into another nation. Thanks once again!
September 13, 2008

History- Vietnam warI have a debate coming up, and I got the worst side and topic possible. I need to debate that the Vietnam War was not an example of Imperialism. I've learned the definition of Imperialism, and I have also gone through the arduous task of learning the history of the Vietnam...
September 13, 2008

PhysicsI am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth, frictionless post...
February 25, 2008

physicsI am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth, frictionless post...
February 25, 2008

physicsA tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.30 long and the ball has a radius of 0.170 with mass 0.440 . What is ...
February 25, 2008

PhysicsA coefficient of kinetic friction, k , is needed to stop a car in a distance D on dry pavement with the wheels locked if the car starts from speed V_0. What coefficient of kinetic friction (in terms of k ) is needed to stop this car in the same distance if it starts from an ...
February 19, 2008

chemistryWhich of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Water has the highest boiling point. B. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. C. Dispersion forces affect all three ...
February 4, 2008